| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F | |
| 2012 Hardiness Zone: | Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | May 1 - May 10 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 55b - Loamy High Lime Till Plains | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 46932 - Galveston, IN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 19 | 29 | 38 | 49 | 59 | 62 | 60 | 53 | 41 | 32 | 21 | 40 |
| Avg Max Temp (°F) | 32 | 36 | 48 | 60 | 72 | 81 | 84 | 82 | 76 | 64 | 50 | 37 | 60 |
| Avg Precip (In.) | 2.19 | 1.97 | 2.99 | 3.59 | 4.08 | 4.15 | 4.11 | 3.97 | 3.17 | 2.87 | 3.4 | 2.93 | 39.41 |